A device for treating building waste

Abstract

The utility model discloses a building construction waste processing device, including a box body, the top and bottom of the box body are respectively provided with a feeding and discharging port, the first and second crushing rollers are respectively rotatably installed inside the box body, the spacing between the first crushing rollers is greater than the spacing between the second crushing rollers, and a crushing cavity with a narrow top, a wide middle, and a narrow bottom is formed between the first and second crushing rollers, and two baffles are respectively rotatably installed above the first crushing roller inside the box body, the two baffles rotate in opposite directions when feeding, and a material guide channel with a wide top and a narrow bottom is formed between the two baffles; the two baffles rotate in opposite directions when breaking the material, and a material limiting space with a narrow top and a wide bottom is formed between the two baffles. The utility model can simultaneously crush small and large building construction wastes, and can improve the efficiency and effect of crushing.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction waste treatment, in particular to a building construction waste treatment device. Background Art

[0002] During the construction process of building construction projects (short for housing construction projects), a large amount of building waste, that is, construction waste, also known as construction garbage, is often generated, including a large amount of waste slag, waste concrete blocks, etc. In order to avoid environmental pollution and improve resource utilization, it is usually necessary to crush the building waste on the construction site, and then landfill or recycle it for reuse.

[0003] To this end, the Chinese utility model patent with publication number CN219682645U proposes a building construction waste processing device. From the disclosed content, it can be seen that the building construction waste processing device is provided with an adjustment mechanism. When in use, the U-shaped plate is driven to move by rotation, and then the crushing roller is driven to move, so as to adjust the spacing of the crushing rollers, so as to crush and process small and large building construction waste.

[0004] However, in the actual crushing process, since the construction wastes are of different sizes and mostly irregular shaped structures, whether in order to improve work efficiency or to reduce workload, the construction wastes are basically not strictly classified before crushing, that is, the smaller construction wastes are not classified into one category, while the larger construction wastes are classified into one category, and then crushed separately. Therefore, construction wastes of various sizes and shapes are often mixed together and crushed together. Therefore, when using the above-mentioned construction waste processing device, if the spacing of the crushing rollers is adjusted to adapt to the smaller construction wastes, it is difficult to effectively crush the smaller construction wastes; similarly, if the spacing of the crushing rollers is adjusted to adapt to the larger construction wastes, it is impossible to crush the smaller construction wastes. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects and shortcomings of the prior art and to provide a building construction waste processing device that can simultaneously crush small and large building construction wastes and improve the crushing efficiency and effect.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A building construction waste processing device comprises a box body, wherein the top and bottom of the box body are respectively provided with a feeding port and a discharging port, and the characteristic is that a first crushing pair of rollers and a second crushing pair of rollers are respectively rotatably installed inside the box body, the spacing between the first crushing pair of rollers is larger than the spacing between the second crushing pair of rollers, and a crushing cavity which is narrow at the top, wide in the middle and narrow at the bottom is formed between the first crushing pair of rollers and the second crushing pair of rollers, and two baffles are respectively rotatably installed above the first crushing pair of rollers inside the box body, the two baffles rotate in opposite directions when feeding, and a material guiding channel which is wide at the top and narrow at the bottom is formed between the two baffles, which is used for guiding the building construction waste to be crushed between the first crushing pair of rollers; the two baffles rotate in opposite directions when crushing the materials, and a material limiting space which is narrow at the top and wide at the bottom is formed between the two baffles, which is used for preventing the crushed building construction waste from jumping upward.

[0008] Furthermore, a motor group is installed on the outer wall of the box body, which is used to drive the first crushing roller pair, the second crushing roller pair and the two baffles to rotate respectively.

[0009] Furthermore, the crushing teeth of the first crushing roller pair and the second crushing roller pair include high teeth and low teeth relative to the roller surfaces, and the high teeth and low teeth extend along the axial direction of the crushing rollers and are distributed at intervals along the circumference of the crushing rollers.

[0010] Furthermore, the two baffles extend along the axial direction of the first crushing roller pair and the second crushing roller pair, and the length of the two baffles is equal to the length of the crushing rollers of the first crushing roller pair and the second crushing roller pair.

[0011] Furthermore, a transverse pipe with both ends closed is fixedly installed above the two baffles inside the box, a plurality of spray ports extending along its length are arranged on the bottom wall of the transverse pipe, and the transverse pipe is connected to a water pipe leading out from the inside of the box.

[0012] Furthermore, a receiving hopper which is wide at the top and narrow at the bottom is fixedly connected to the inner bottom surface of the box body, the width of the upper port of the receiving hopper is equal to the width of the box body, and the inner diameter of the lower port of the receiving hopper is equal to the inner diameter of the discharge port.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model adopts a first pair of crushing rollers with a larger spacing and a second pair of crushing rollers with a smaller spacing, thereby forming a crushing cavity with a narrow upper part, a wide middle part and a narrow lower part between the first pair of crushing rollers and the second pair of crushing rollers, which can simultaneously crush small and large building wastes. For large building wastes, they can be initially crushed by the first pair of crushing rollers with a larger spacing, and then further crushed by the second pair of crushing rollers with a smaller spacing, thereby improving the crushing effect.

[0015] 2. The utility model arranges two baffles at the top, and the two baffles rotate in opposite directions when feeding, so as to form a material guide channel that is wide at the top and narrow at the bottom between the two baffles, which can guide the building waste to be crushed into between the first crushing rollers; in addition, the two baffles rotate in opposite directions when crushing, so as to form a material limiting space that is narrow at the top and wide at the bottom between the two baffles, which can effectively prevent the crushed building waste from jumping upward, thereby helping to improve the crushing efficiency and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0017] Figure 2 for Figure 1 The local structure of Figure 1 .

[0018] Figure 3 for Figure 1 The local structure of Figure 2 .

[0019] Figure 4 The structure of the utility model is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 A building construction waste processing device includes a box body 1, a feeding port 2 and a discharging port 3 are respectively provided at the top and the bottom of the box body 1, a first crushing pair of rollers 4 and a second crushing pair of rollers 5 are respectively rotatably installed inside the box body 1, the spacing between the first crushing pair of rollers 4 is larger than the spacing between the second crushing pair of rollers 5, and a crushing cavity 6 with a narrow upper part, a wide middle part and a narrow lower part is formed between the first crushing pair of rollers 4 and the second crushing pair of rollers 5, two baffles 7 are respectively rotatably installed above the first crushing pair of rollers 4 inside the box body 1, the two baffles 7 rotate in opposite directions when feeding, and a material guide channel 8 with a wide upper part and a narrow lower part is formed between the two baffles 7, which is used to guide the building construction waste to be crushed into between the first crushing pair of rollers 4; the two baffles 7 rotate in opposite directions when crushing, and a material limiting space 9 with a narrow upper part and a wide lower part is formed between the two baffles 7, which is used to prevent the crushed building construction waste from jumping upward.

[0022] In the utility model, a motor group (not shown in the figure) is installed on the outer wall of the box body 1 to respectively drive the first crushing roller pair 4, the second crushing roller pair 5 and the two baffles 7 to rotate.

[0023] In the utility model, the crushing teeth of the first crushing roller pair 4 and the second crushing roller pair 5 include high teeth 10 and low teeth 11 relative to the roller surface. The high teeth 10 and low teeth 11 extend along the axial direction of the crushing roller and are distributed at intervals along the circumference of the crushing roller.

[0024] Therefore, by providing high teeth 10 and low teeth 11 extending along the axial direction of the crushing roller and distributed at intervals along the circumference of the crushing roller, the crushing efficiency and effect of building waste with irregular shaped structures can be improved.

[0025] In the utility model, the two baffles 7 extend along the axial direction of the first crushing roller pair 4 and the second crushing roller pair 5 , and the length of the two baffles 7 is equal to the length of the crushing rollers of the first crushing roller pair 4 and the second crushing roller pair 5 .

[0026] Therefore, when feeding, the two baffles 7 rotate in opposite directions, which can better guide the building waste to be crushed into between the first crushing rollers 4 to prevent leakage; when crushing, the two baffles 7 rotate in opposite directions to better prevent the crushed building waste from jumping upwards to prevent leakage.

[0027] In the utility model, a transverse pipe 12 with both ends closed is fixedly installed above the two baffles 7 inside the box body 1, and a plurality of spray ports 13 extending along the length direction of the transverse pipe 12 are provided on the bottom wall thereof. The transverse pipe 12 is connected to a water pipe 14 led out from the inside of the box body 1.

[0028] Therefore, when the building waste is crushed, water mist can be sprayed from top to bottom to prevent dust from escaping and achieve the effect of dust reduction.

[0029] In the utility model, a receiving hopper 15 which is wide at the top and narrow at the bottom is fixedly connected to the inner bottom surface of the box body 1. The width of the upper port of the receiving hopper 15 is equal to the width of the box body 1, and the inner diameter of the lower port of the receiving hopper 15 is equal to the inner diameter of the discharge port 3, which is conducive to guiding the fine materials after crushing out of the box body 1.

[0030] The utility model is further described below in conjunction with the accompanying drawings:

[0031] When in use, first, the two baffles 7 rotate in opposite directions, thereby forming a material guide channel 8 that is wide at the top and narrow at the bottom between the two baffles 7, so that the building waste to be crushed is guided into between the first crushing roller pair 4.

[0032] Then, the first crushing roller pair 4 rotates towards each other, and the second crushing roller pair 5 rotates towards each other. At the same time, the two baffles 7 rotate towards each other, thereby forming a material limiting space 9 with a narrow upper part and a wide lower part between the two baffles 7 to prevent the crushed building waste from jumping upward.

[0033] Then, the building construction waste to be crushed is put into the feeding port 2, and the building construction waste falls into the first crushing roller pair 4 along the material guide channel 8. At this time, if the size of the building construction waste is small, it enters between the second crushing roller pair 5 through the gap between the first crushing roller pair 4, and is crushed by the second crushing roller pair 5. The fine material produced after the crushing process flows along the receiving hopper 15 and is discharged from the box body 1 through the discharge port 3.

[0034] If the size of the building construction waste is large, it will be crushed by the first crushing pair of rollers 4, and the first crushing pair of rollers 4 will perform preliminary crushing on it, and then the second crushing pair of rollers 5 will perform further crushing. Similarly, the fine materials produced after the crushing process will flow along the receiving hopper 15 and be discharged from the box body 1 through the discharge port 3.

[0035] In the above process, the water mist sprayed from the plurality of spray ports 13 can prevent dust from escaping, thereby achieving the effect of dust reduction.

[0036] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0037] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent changes made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.

Claims

1. A building construction waste treatment device, comprising a box body, wherein a feeding port and a discharging port are respectively provided at the top and the bottom of the box body, and characterized in that: A first pair of crushing rollers and a second pair of crushing rollers are rotatably installed inside the box body, the spacing between the first pair of crushing rollers is larger than the spacing between the second pair of crushing rollers, and a crushing cavity which is narrow at the top, wide in the middle and narrow at the bottom is formed between the first pair of crushing rollers and the second pair of crushing rollers. Two baffles are rotatably installed above the first pair of crushing rollers inside the box body, and the two baffles rotate in opposite directions when feeding, and a material guide channel which is wide at the top and narrow at the bottom is formed between the two baffles, which is used to guide the building waste to be crushed into between the first pair of crushing rollers; the two baffles rotate in opposite directions when crushing the materials, and a material limiting space which is narrow at the top and wide at the bottom is formed between the two baffles, which is used to prevent the crushed building waste from jumping upward.

2. A building construction waste treatment device according to claim 1, characterized in that: A motor group is installed on the outer wall of the box body, which is used to drive the first crushing roller pair, the second crushing roller pair and the two baffles to rotate respectively.

3. A building construction waste treatment device according to claim 1 or 2, characterized in that: The crushing teeth of the first crushing roller pair and the second crushing roller pair include high teeth and low teeth relative to the roller surfaces, and the high teeth and low teeth extend along the axial direction of the crushing rollers and are distributed at intervals along the circumference of the crushing rollers.

4. A building construction waste treatment device according to claim 3, characterized in that: The two baffles extend along the axial direction of the first crushing roller pair and the second crushing roller pair, and the length of the two baffles is equal to the length of the crushing rollers of the first crushing roller pair and the second crushing roller pair.

5. The building construction waste treatment device according to claim 1, characterized in that: A transverse pipe with both ends closed is fixedly installed above the two baffles inside the box body, a plurality of spray ports extending along the length direction of the transverse pipe are arranged on the bottom wall of the transverse pipe, and a water pipe leading out from the inside of the box body is connected to the transverse pipe.

6. The building construction waste treatment device according to claim 1, characterized in that: A receiving hopper which is wide at the top and narrow at the bottom is fixedly connected to the inner bottom surface of the box body, the width of the upper port of the receiving hopper is equal to the width of the box body, and the inner diameter of the lower port of the receiving hopper is equal to the inner diameter of the discharge port.

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